1800℃ Muffle Oven Furnace for Laboratory

Introduction

Muffle furnaces are laboratory devices that provide a controlled high-temperature environment for various applications such as heat treatment, sintering, and ashing. These furnaces are designed with a chamber, which is heated by electrical heating elements.

Muffle furnaces offer precise temperature control, ensuring uniform heat distribution within the chamber. They are typically used in research laboratories, industrial settings, and educational institutions for applications in materials science, metallurgy, and ceramics.

The temperature range and capabilities of muffle furnaces vary depending on the model and manufacturer. Common temperature ranges include 1200°C to 1800°C, with some models reaching even higher temperatures.

Safety features are incorporated into muffle furnaces to protect users and prevent accidents. These features include over-temperature protection, power failure protection, and door safety interlocks.

Applications

Muffle furnaces, capable of reaching temperatures up to 1800°C, are widely used in various industries and research laboratories for high-temperature applications:

• Sintering: High-temperature bonding of materials, often used in ceramics, metallurgy, and powder metallurgy.
• Annealing: Controlled cooling of materials to relieve stress and improve properties, such as in metalworking and glass production.
• Heat Treatment: Altering the physical and mechanical properties of materials through controlled heating and cooling cycles, including hardening, tempering, and normalizing.
• Ash Melting Point Analysis: Determining the temperature at which ash melts, used in power plants and waste incineration facilities.
• Brazing: Joining metal components using a filler metal with a lower melting point.
• Drug Inspections: Testing the stability and purity of pharmaceutical products.
• Medical Sample Pretreatment: Preparing medical samples for analysis.
• Materials Research: Investigating the properties of materials at high temperatures.
• Nuclear Fuel Disposal: Treating and disposing of nuclear fuel.
• Quality Control: Ensuring the quality of products by testing their thermal properties.
• Water Quality Analysis: Determining the presence and concentration of certain substances in water samples.

Detail & Parts

• Polycrystalline fiber furnace, energy saving and corrosion resistance；
• Double-layer inner furnace shell, equipped with air cooling system, rapid heating and cooling；
• Silicon molybdenum rod heating, high temperature resistance, fast heating；
• Microcomputer PID controller, easy to operate；(The furnace body is equipped with: output voltage and output current monitoring meter, the heating status of the furnace is clear at a glance).

Principle

The muffle furnace is a high-temperature heating equipment that uses resistance heating to heat the furnace chamber to a high temperature. The furnace chamber is made of high-temperature resistant materials, and the heating element is usually made of silicon carbide or molybdenum disilicide. The furnace is controlled by a temperature controller to maintain the desired temperature.

The muffle furnace works by passing an electric current through the heating element, which causes the element to heat up. The heat from the heating element is then transferred to the furnace chamber by radiation and convection. The furnace chamber is insulated to minimize heat loss, and the temperature is controlled by a thermocouple that is placed inside the chamber.

Advantages

• High-temperature Capability: Withstands temperatures up to 1800℃ for efficient material processing and analysis.
• PID Temperature Control: Precise temperature regulation ensures accuracy and uniformity, crucial for critical experiments.
• Double Furnace Shell: Forced air circulation between the shells maintains a low surface temperature, enhancing operator safety and reducing energy loss.
• Ceramic Insulation: Polycrystalline fiber insulation minimizes heat loss, resulting in superior energy efficiency and cost savings.
• Optimized Heating Elements: Custom heating element configuration optimizes heat radiation, ensuring longevity and consistent performance.
• Safety Interlock System: Automatic power cutoff upon door opening, over-temperature detection, and sensor failure to prioritize user safety.
• Versatile Touch Screen Controller: Intuitive 7-inch TFT touch screen simplifies program setting and data analysis, reducing complexity and enhancing usability.
• Remote Control Capability: Supports remote monitoring and control for added convenience and flexibility in laboratory operations.
• Energy Efficiency: Efficient insulation and optimized heating elements minimize energy consumption, reducing operating costs and environmental impact.
• Compact Design: Space-saving footprint maximizes laboratory space utilization without compromising functionality.

Safety Advantage

• Kindle Tech muffle furnace owns over current protection, over temperature alarming function, furnace will turn off the power automatically
• Furnace build in thermal couple detecting function, furnace will stop heating and alarm will be on once broken or failure detected
• KT-18M Pro support power failure restarting function,furnace will resume the furnace heating program when power is incoming after failure

Technical specifications

Standard Package

Optional Setup

• Independent furnace temperature monitoring and recording
• RS 485 communication port for PC remote control and data exporting
• Insert gases port,exhaust output port,observation window port
• Touch screen temperature controller with versatile operator friendly functions

Warnings

Operator safety is the top important issue! Please operate the equipment with cautions. Working with inflammable& explosive or toxic gases is very dangerous, operators must take all necessary precautions before starting the equipment. Working with positive pressure inside the reactors or chambers is dangerous, operator must fellow the safety procedures strictly. Extra caution must also be taken when operating with air-reactive materials, especially under vacuum. A leak can draw air into the apparatus and cause a violent reaction to occur.

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